One of my favourite songs by gospel icon Sfiso Ncwane is entitled Kulungile Baba. You may know it? It’s a firm fan favourite. But as I walked into the Grace Bible Church in Soweto on Friday morning, the words of the song stirred deep inside my heart.

Bad news for the party crowd: if you like to smoke while tossing back alcoholic drinks, you're likely to wind up with a worse hangover than just from drinking alone, according to a new study.

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Researchers from Brown University in Providence, Rhode Island, US, found that college students were more likely to report hangover symptoms after combining heavy drinking with smoking compared to those who just drank -- and it didn't matter if they smoked while drinking, but rather at any point during the day.

"At the same number of drinks, people who smoke more that day are more likely to have a hangover and have more intense hangovers," says researcher Dr. Damaris J. Rohsenow, of the Center for Alcohol and Addiction Studies at Brown University.

In the study, 113 participants completed a daily, web-based survey for eight weeks on their drinking and smoking habits.

The researchers also cite that some drinkers are hangover-resistant: about one-quarter of people who drink enough to spur a hangover for the rest of us don't get one.